Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 23:22

General

  • Target

    aa645bb91162a59515b58b390bc44334ab80fa993fb0e40516ee8239795989a8.exe

  • Size

    125KB

  • MD5

    d0c85ab37f69b0e0b25755ce37fad5d4

  • SHA1

    c43427ee5fb4911b1354a3631268a18e0be5a1a5

  • SHA256

    aa645bb91162a59515b58b390bc44334ab80fa993fb0e40516ee8239795989a8

  • SHA512

    9c452b60faeeb028f4aff3d86048df34e66a528397d2e1877039e32362dab1fb31da8e52c174b3d6d19e598a7582db3d9ba94f6e68df8133264766b5094ac5e4

  • SSDEEP

    3072:bCArkzA2BE03vQWu8/f+7zavO0uLRUOjnE9K0Kyr:2t82Bj3IWuGf+7zaS1UOo

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa645bb91162a59515b58b390bc44334ab80fa993fb0e40516ee8239795989a8.exe
    "C:\Users\Admin\AppData\Local\Temp\aa645bb91162a59515b58b390bc44334ab80fa993fb0e40516ee8239795989a8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=aa645bb91162a59515b58b390bc44334ab80fa993fb0e40516ee8239795989a8.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • Adds Run key to start application
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffe81f446f8,0x7ffe81f44708,0x7ffe81f44718
        3⤵
          PID:3376
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
          3⤵
            PID:3852
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2232 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1468
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2672 /prefetch:8
            3⤵
              PID:640
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3332 /prefetch:1
              3⤵
                PID:4948
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3340 /prefetch:1
                3⤵
                  PID:2636
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5244 /prefetch:1
                  3⤵
                    PID:3212
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4216 /prefetch:1
                    3⤵
                      PID:60
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6044 /prefetch:1
                      3⤵
                        PID:1216
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5348 /prefetch:1
                        3⤵
                          PID:748
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5208 /prefetch:1
                          3⤵
                            PID:2552
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6212 /prefetch:8
                            3⤵
                              PID:840
                            • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                              3⤵
                              • Drops file in Program Files directory
                              PID:3556
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7b5b85460,0x7ff7b5b85470,0x7ff7b5b85480
                                4⤵
                                  PID:1176
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4736 /prefetch:8
                                3⤵
                                  PID:3000
                                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4736 /prefetch:8
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4168
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1436 /prefetch:8
                                  3⤵
                                    PID:4040
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3556 /prefetch:2
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3216
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2144,8570316139971209435,8845596998066719589,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=7132 /prefetch:8
                                    3⤵
                                      PID:3048
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=aa645bb91162a59515b58b390bc44334ab80fa993fb0e40516ee8239795989a8.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                    2⤵
                                      PID:2768
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffe81f446f8,0x7ffe81f44708,0x7ffe81f44718
                                        3⤵
                                          PID:4056
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:2176

                                      Network

                                      MITRE ATT&CK Matrix ATT&CK v6

                                      Persistence

                                      Registry Run Keys / Startup Folder

                                      1
                                      T1060

                                      Defense Evasion

                                      Modify Registry

                                      1
                                      T1112

                                      Discovery

                                      System Information Discovery

                                      2
                                      T1082

                                      Query Registry

                                      1
                                      T1012

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        Filesize

                                        152B

                                        MD5

                                        71b657795f1d63721f304fcf46915016

                                        SHA1

                                        d2cabf753a2b8888642a3a26878e7f47784153b2

                                        SHA256

                                        f6d95ff8ef0a6098a3c31bedf0f623555cf3855bab0142f2350f07eb85832c28

                                        SHA512

                                        dd1d8e6e56463cba11da14b604c4dcedf13e1914c4afab93121f6535a30120e0d907c0129c6eebfc8a0a70a557d2f6d467a24fe0bac960c79519049e1931ea20

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        Filesize

                                        152B

                                        MD5

                                        9227ba18e4106970788586689f7dddd7

                                        SHA1

                                        7e2c112b4b2f2fe7b5d308a2078dc487f8b50c7c

                                        SHA256

                                        01d0339bd0406e76af6bbce8ca4e41d6c0bb5e1ac9f5926f1e0627590880e481

                                        SHA512

                                        b0fafe3d9e1e5d7e8eb6ba258852ae1d1c9ffb04a6378703755a89e4575d3af1c2b88e5367e0868b7f1ea3ee7f9a76a1541a2846e583621ed495d1d97ff864da

                                      • \??\pipe\LOCAL\crashpad_4740_EIHMOJFHAXJECZRE
                                        MD5

                                        d41d8cd98f00b204e9800998ecf8427e

                                        SHA1

                                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                                        SHA256

                                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                        SHA512

                                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                      • memory/60-153-0x0000000000000000-mapping.dmp
                                      • memory/432-132-0x0000000000BD0000-0x0000000000BF0000-memory.dmp
                                        Filesize

                                        128KB

                                      • memory/432-146-0x0000000000BD0000-0x0000000000BF0000-memory.dmp
                                        Filesize

                                        128KB

                                      • memory/640-140-0x0000000000000000-mapping.dmp
                                      • memory/748-157-0x0000000000000000-mapping.dmp
                                      • memory/840-161-0x0000000000000000-mapping.dmp
                                      • memory/1176-163-0x0000000000000000-mapping.dmp
                                      • memory/1216-155-0x0000000000000000-mapping.dmp
                                      • memory/1468-137-0x0000000000000000-mapping.dmp
                                      • memory/2552-159-0x0000000000000000-mapping.dmp
                                      • memory/2636-144-0x0000000000000000-mapping.dmp
                                      • memory/2768-145-0x0000000000000000-mapping.dmp
                                      • memory/3048-169-0x0000000000000000-mapping.dmp
                                      • memory/3212-150-0x0000000000000000-mapping.dmp
                                      • memory/3216-167-0x0000000000000000-mapping.dmp
                                      • memory/3376-134-0x0000000000000000-mapping.dmp
                                      • memory/3556-162-0x0000000000000000-mapping.dmp
                                      • memory/3852-136-0x0000000000000000-mapping.dmp
                                      • memory/4040-166-0x0000000000000000-mapping.dmp
                                      • memory/4056-147-0x0000000000000000-mapping.dmp
                                      • memory/4168-164-0x0000000000000000-mapping.dmp
                                      • memory/4740-133-0x0000000000000000-mapping.dmp
                                      • memory/4948-142-0x0000000000000000-mapping.dmp